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Relay boards

11 products

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HX-R16

Wi-Fi LAN RS485 / Modbus

ESP32 16-Channel Relay Controller, Ethernet

Wired Ethernet · 16 relays · DIN rail

$79

HX-R4

ESP32 4-Channel Relay Board

Onboard ESP32 · AC or DC · 4 inputs

$22 ~~$29~~

HX-SSR2

2-Channel Solid State Relay Module

Silent · no contact wear

$9

HX-RLY4

4-Channel Relay Module 10A

Add-on for your own ESP32 · optocoupled

$8

HX-R2

ESP32 2-Channel Relay Board

AC or DC powered · 2 switch inputs

$15

HX-R8

ESP32 8-Channel Relay Board, DIN Rail

Panel mount · 8 relays · 8 inputs

$39

HX-R1

ESP32-C3 1-Channel Relay Board

230 VAC powered · fits in a back box

$12

HX-CTR-2NO

Modular Contactor 2NO 25 A, Slim DIN

For water heaters and pumps · 1 DIN module · 230 V coil

$12

HX-SSR40AA

Solid State Relay SSR-40AA, AC Control, with Heatsink

Silent · AC control, AC load · driven by any relay output

$13

HX-SSR40DA

Solid State Relay SSR-40DA with Heatsink

Silent · DC control, AC load · heaters up to 25 A

$11

ZB-R2

Zigbee 2-Channel Relay Module

In-wall · Zigbee router · dry contact

$18

Not sure what fits your home?

Tell us how your home is set up: wiring, EDL and generator hours, your solar inverter, and what you want to control. We'll suggest the right parts. Cash on delivery · 6-month warranty · Works without internet.

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